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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 253 records · Page 14

Laser method for finding axis of rotation

Illumination of rotating surface with laser beam and examination of interference patterns resulting from diffused reflections determines position of axis and direction of motion. Interference patterns are viewed through a lens or recorded on film as circular streaking patterns.

Massey, G. A.↗

Two-axis controller Patent

Two axis flight controller with potentiometer control shafts directly coupled to rotatable ball members

Ballard, R. R.↗